AC2

AC2 may refer to:

In video gaming

 * Ace Combat 2
 * Armored Core 2
 * Asheron's Call 2
 * Assassin's Creed II

Other uses

 * AC2, a ranking grading within the Royal Air Force between 1919 and 1964
 * AC-2, a submarine telecommunications cable system
 * AC-2 Buffalo, a transport aircraft
 * AC2: Combat Shield and Mini-adventure, an accessory for Dungeons & Dragons
 * Southern Pacific class AC-2, a class of steam locomotives
 * TRAXX F140 AC2, a locomotive
 * AC2 Treated lumber